Add X509 related libctx changes.

- In order to not add many X509_XXXX_with_libctx() functions the libctx and propq may be stored in the X509 object via a call to X509_new_with_libctx().
- Loading via PEM_read_bio_X509() or d2i_X509() should pass in a created cert using X509_new_with_libctx().
- Renamed some XXXX_ex() to XXX_with_libctx() for X509 API's.
- Removed the extra parameters in check_purpose..
- X509_digest() has been modified so that it expects a const EVP_MD object() and then internally it does the fetch when it needs to (via ASN1_item_digest_with_libctx()).
- Added API's that set the libctx when they load such as X509_STORE_new_with_libctx() so that the cert chains can be verified.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/12153)

1 files changed, 1 insertions, 0 deletions

diff --git a/crypto/store/store_local.h b/crypto/store/store_local.h
index 31e04d13ad..c9592c38ce 100644
--- a/crypto/store/store_local.h
+++ b/crypto/store/store_local.h
@@ -110,6 +110,7 @@ struct ossl_store_loader_st {
     OSSL_STORE_eof_fn eof;
     OSSL_STORE_error_fn error;
     OSSL_STORE_close_fn close;
+    OSSL_STORE_open_with_libctx_fn open_with_libctx;
 };
 DEFINE_LHASH_OF(OSSL_STORE_LOADER);